Sharp VC-H92HM Serviceanleitung Seite 15

VC-H91GM(BK)
VC-H91SM(BK)
VC-H92GM(BK)
REMOVAL AND REASSEMBLY OF
CASSETTE HOUSING CONTROL ASSEMBLY
@ Removal
1. Set the cassette ejected condition in the cassette
eject mode.
2. Unplug the recorder from the main source.
3. Follow the procedures below in the specified or-
der.
a) Remove the cassette housing installation
screws @ and @.
b) Slide and pull out the cassette housing control
assembly upward.
Figure 4-1.
@ Reassembly
1. Before installation of the cassette housing con-
trol assembly, make a short-circuit between
TP5001 (or jumper pin 241) and TP5002 (or
jumper pin 242) , both located at the left on your
side on the main PWB, with a 22 ohm resistor.
Plug in the power cord. The cassette control
drive gear starts and stops just when a tally mark
appearsin the mechanism chassis window. Align
this tally mark with the cassette control drive an-
gle's mark, as shown in Fig. 4-2, to position the
cassette control on the mechanism chassis.
14
Cassette control
cassette control
O)
Figure 4-2.
Notes:
@ In using a magnet screw driver, be sure to keep it
away from the A/C head, FE (Full Erase) head, or
the drum.
@ In removal and reassembly, take care not to hit
the cassette housing control assembly or tools
against the guide pin, drum, or the like there-
about.
@ Load the cassette once onto the cassette housing
control assembly after reassembly.
TO RUN A TAPE WITHOUT THE CASSETTE
HOUSING CONTROL ASSEMBLY
1. Be sure to make a short-circuit between TP5001
(or jumper pin 241) and TP5002 (or jumper pin
242) , both located at the left on your side on the
main PWB, with a 22 ohm resistor, before turn-
ing on the power.
. Plug in the power cord.
. Turn on the power switch.
- Open the lid of a cassette tape by hand.
. Hold the lid with two pieces of viny! tape.
. Set the cassette tape in the mechanism chassis.
. Perform running test.
NAW RWHDN
fo)
Weight to prevent
float (500g)
Figure 4-3.
Note:
The weight should not be more than 500g.